修正git管理关系

.gitignore

@@ -0,0 +1,17 @@
+# --- Python 后端忽略 ---
+inventory-backend/venv/
+inventory-backend/pgdata/
+inventory-backend/__pycache__/
+inventory-backend/*.pyc
+inventory-backend/.env
+
+# --- Vue 前端忽略 ---
+inventory-web/node_modules/
+inventory-web/dist/
+inventory-web/*.local
+
+# --- 通用忽略 ---
+.idea/
+.vscode/
+.DS_Store
+*.log